68.18% is the change from 242 to 407
Calculation steps:
[( 407 - 242 ) ÷ 242] x 100 = 68.18%
Formula
Percentage change = [(407 - 242) / 242] x 100
Subtract the new number by the original number
407 - 242 = 165
165 ÷ 242 = 0.6818181818181818
0.6818181818181818 x 100 = 68.18%